Why was there tension between the US and the USSR after World War II? ООО
Their economies were competing for trade in Western Europe.
Their economies were in danger of falling to communism.
Their economies were based on different principles and systems.
Their economies prevented them from influencing other countries.

Their economies were based on different principles and systems.

Explanation:

US was big on capitalism and our brothers at Soviet Union were big on communism. Both economic principles are opposite sides of a rope, thus there was always tension between these super powers, which is often seen as Cold war during the 1950s to 1990s